diff --git a/server/routers/booking.tsx b/server/routers/booking.tsx
index bb3443b9..6f20d64c 100644
--- a/server/routers/booking.tsx
+++ b/server/routers/booking.tsx
@@ -12,7 +12,7 @@ export const bookingRouter = createRouter().query("userEventTypes", {
 
     const user = await prisma.user.findUnique({
       where: {
-        username,
+        username: username.toLowerCase(),
       },
       select: {
         id: true,